<?php
/**
 * The Leave control is used to sign a user out of an application
 * and present them with a "good bye" screen.
 *
 * Copyright 2003 Mark O'Sullivan
 * This file is part of Lussumo's Software Library.
 * Lussumo's Software Library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 * Lussumo's Software Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along with Vanilla; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * The latest source code is available at www.lussumo.com
 * Contact Mark O'Sullivan at mark [at] lussumo [dot] com
 *
 * @author Mark O'Sullivan
 * @copyright 2003 Mark O'Sullivan
 * @license http://lussumo.com/community/gpl.txt GPL 2
 * @package People
 * @version 1.1.2
 */

/**
 * The Leave control is used to sign a user out of an application
 * and present them with a "good bye" screen.
 * @package People
 */
class Leave extends PostBackControl
{
    function __construct()
    {
        $this->Name = __CLASS__;
        $this->ValidActions = array('SignOutNow', 'SignOut');
        $this->Constructor();

        if ($this->IsPostBack) {
            // Set up the page
            ///TODO remove!
            global $Banner, $Foot;
            $Banner->Properties['CssClass'] = 'SignOut';
            $Foot->CssClass = 'SignOut';
            $this->Context->PageTitle = $this->Context->GetDefinition('SignOut');

            // Occassionally cookies cannot be removed, and rather than
            // cause an infinite loop where the page continually refreshes
            // until it crashes (attempting to remove the cookies over and
            // over again), I just fail out and treat the user as if s/he
            // has been signed out successfully.
            if ($this->PostBackAction == 'SignOutNow') {
                Session::getInstance()->End();
            }
            $this->PostBackValidated = 1;
        }
    }

    function Render_ValidPostBack()
    {
        $this->CallDelegate('PreValidPostBackRender');
        include ThemeFilePath($this->Context->Configuration, 'people_signout_form_validpostback.php');
        $this->CallDelegate('PostValidPostBackRender');
    }

    function Render_NoPostBack()
    {
        $this->CallDelegate('PreNoPostBackRender');
        include ThemeFilePath($this->Context->Configuration, 'people_signout_form_validpostback.php');
        $this->CallDelegate('PostNoPostBackRender');
    }
}